Smoky Canyon No 2 is a privately owned dam located in Caribou, Idaho, with a primary purpose of storing tailings. Completed in 1992, this earth dam stands at a height of 108 feet and has a storage capacity of 20,455 acre-feet. It is situated on Tygee Creek and Stump Creek, with a drainage area of 8.7 square miles. The dam's condition was assessed as satisfactory during its last inspection in October 2020, although it has a significant hazard potential.

Despite lacking a spillway, Smoky Canyon No 2 has a spillway width of 10 feet and no outlet gates. The dam's risk assessment categorizes it as high, with a risk level of 2 out of 5. It is regulated by the Idaho Department of Water Resources and is subject to state inspection and enforcement. The surrounding area is at risk of inundation in the event of a breach, highlighting the importance of ongoing risk management measures and emergency action planning for this critical water resource infrastructure.